INFO: task kworker/u4:6:1257 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-00453-g727dbda16b83 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:6 state:D
stack:20560 pid:1257 ppid:2 flags:0x00004000
Workqueue: cfg80211 cfg80211_event_work
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5380 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6709
schedule+0xc3/0x180 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6844
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
wiphy_lock include/net/cfg80211.h:5776 [inline]
cfg80211_event_work+0x27/0x40 net/wireless/core.c:332
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
worker_thread+0xa63/0x1210 kernel/workqueue.c:2751
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
</TASK>
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0:
ffffffff8d3295f0
(
rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8d3299b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0:
ffffffff8d329420
(
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire+0x0/0x30
5 locks held by kworker/u4:3/47:
#0: ffff8880b993bf98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b99287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:999
#2: ffff8880b99295d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999
#3: ffffffff92230ce8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x163/0x530 lib/debugobjects.c:717
#4: ffffffff8d1da8e8 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0x12/0x30 arch/x86/kernel/jump_label.c:145
3 locks held by kworker/u4:6/1257:
#0: ffff8881412a4138 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900063efd00 ((work_completion)(&rdev->event_work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff888077028768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5776 [inline]
#2: ffff888077028768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_event_work+0x27/0x40 net/wireless/core.c:332
2 locks held by getty/4772:
#0: ffff88814bee8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187
8 locks held by kworker/1:2/5064:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-syzkaller-00453-g727dbda16b83 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5064 Comm: kworker/1:2 Not tainted 6.5.0-syzkaller-00453-g727dbda16b83 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events cfg80211_wiphy_work
RIP: 0010:do_raw_spin_unlock+0x7/0x8b0 kernel/locking/spinlock_debug.c:138
Code: 07 80 c1 03 38 c1 0f 8c 2c ff ff ff e8 02 17 78 00 e9 22 ff ff ff e8 08 cb 50 09 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 <41> 56 41 55 41 54 53 48 83 ec 28 49 89 ff 48 bb 00 00 00 00 00 fc
RSP: 0018:ffffc900001e0be8 EFLAGS: 00000046
RAX: 08d41d684f2cea00 RBX: ffffffff921c98c0 RCX: ffffc900001e0b03
RDX: 0000000000000005 RSI: ffffffff8b0aaae0 RDI: ffffffff921c98c0
RBP: ffffc900001e0c90 R08: ffffffff8e987aef R09: 1ffffffff1d30f5d
R10: dffffc0000000000 R11: fffffbfff1d30f5e R12: dffffc0000000000
R13: 1ffff9200003c180 R14: ffffc900001e0c20 R15: 0000000000000046
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555718dca8 CR3: 0000000020260000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<IRQ>
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
_raw_spin_unlock_irqrestore+0x81/0x140 kernel/locking/spinlock.c:194
debug_timer_deactivate kernel/time/timer.c:787 [inline]
debug_deactivate kernel/time/timer.c:831 [inline]
detach_timer+0x24/0x2f0 kernel/time/timer.c:878
expire_timers kernel/time/timer.c:1734 [inline]
__run_timers+0x5d4/0x860 kernel/time/timer.c:2022
__do_softirq+0x2ab/0x908 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632
irq_exit_rcu+0x9/0x20 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1109
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_trylock_spinning+0x3b8/0x460
Code: ed 0f 84 48 ff ff ff e8 d6 f9 1c 00 fb 31 db eb 45 e8 cc f9 1c 00 e8 67 90 4e 09 4d 85 ed 74 cd e8 bd f9 1c 00 fb f3 0f 1e fa <bb> 01 00 00 00 48 c7 c7 c0 50 20 8d 31 f6 ba 01 00 00 00 31 c9 41
RSP: 0018:ffffc90003c1f1c0 EFLAGS: 00000293
RAX: ffffffff816ec1c3 RBX: 0000000000000000 RCX: ffff888027443b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003c1f288 R08: ffffffff816ec17c R09: 1ffffffff20f6a6d
R10: dffffc0000000000 R11: fffffbfff20f6a6e R12: 1ffff92000783e38
R13: 0000000000000200 R14: 0000000000000046 R15: dffffc0000000000
vprintk_emit+0xbc/0x1f0 kernel/printk/printk.c:2306
_printk+0xd5/0x120 kernel/printk/printk.c:2328
ieee80211_parse_ch_switch_ie+0xae6/0x1040 net/mac80211/spectmgmt.c:88
ieee80211_ibss_process_chanswitch+0x277/0xf90 net/mac80211/ibss.c:803
ieee80211_rx_mgmt_spectrum_mgmt net/mac80211/ibss.c:931 [inline]
ieee80211_ibss_rx_queued_mgmt+0x12ba/0x2ca0 net/mac80211/ibss.c:1666